On Thu 01-06-17 11:02:28, Reza Arbab wrote: > On Thu, Jun 01, 2017 at 02:20:04PM +0200, Michal Hocko wrote: > >Teach move_pfn_range that MMOP_ONLINE_KEEP can use the movable zone if > >movable_node is enabled and the range doesn't overlap with the existing > >normal zone. This should provide a reasonable default onlining strategy. > > I like it. If your distro has some auto-onlining udev rule like > > SUBSYSTEM=="memory", ACTION=="add", ATTR{state}=="offline", > ATTR{state}="online" > > You could get things onlined as movable just by putting movable_node in > the boot params, without changing/modifying the rule.
yes this is the primary point of the patch ;) -- Michal Hocko SUSE Labs